US1228546A - Paste for storage-battery plates and process of making the same. - Google Patents
Paste for storage-battery plates and process of making the same. Download PDFInfo
- Publication number
- US1228546A US1228546A US79611413A US1913796114A US1228546A US 1228546 A US1228546 A US 1228546A US 79611413 A US79611413 A US 79611413A US 1913796114 A US1913796114 A US 1913796114A US 1228546 A US1228546 A US 1228546A
- Authority
- US
- United States
- Prior art keywords
- paste
- storage
- making
- same
- lead
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/36—Selection of substances as active materials, active masses, active liquids
- H01M4/48—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides
- H01M4/56—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of lead
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Definitions
- the paste is made by mixin the oxid or oxids of lead, including so-cal ed finely divided lead, which as a matter of fact is always somewhat oxidized, which may have been previousl wet or dampened with water finite quantity of dilute sulfuric acid solution or other sulfating solution which is appropriate for producing in the paste the appropriate amount of sulfate for insuring the required porosity and thereafter and after the sulfate forming re action is completed, tempering the paste, if necessary, with additional water tothe required consistency for pasting.
- the amount of lead sulfate formed and hence the porosity of the finished plate can be varied within wide limits.
- the total amount of such solution will be comparatively ,small even where a comparatively large per centage of sulfate is desired.
- the paste combined lead sulfate which is a porosity giving agent in the proportion for giving the requlred porosity
- the paste is of the consistency required or can be made to have the desired plasticity by the addition of water.
- the paste contains combined lead sulfate it is chemically nonsetting and almost neutral or slightly alkaline, and it is free from lumps and is smooth. It can therefore be advantageously used in connection with mechanical pasters. If allowed to dry the paste is chalky and of soft consistency and in that regard is as good as other known plates but no better. However, it is better and substantially diflerent in respect to other characteristics herein pointed out.
- the paste has the property that after application to grids and while wet, pickling or soaking in sulfating material, such as a weak solution of ammonium sulfate or sulfuric acid, produces a further re-action with the surplus lead oxid which results in causing the paste to set in a hard homogeneous structure.
- sulfating material such as a weak solution of ammonium sulfate or sulfuric acid
Description
LOUIS H. I'LANDEBS, 01 J EN KIN TOWN, PENNSYLVANIA.
PASTE FOR STORAGE-BATTERY IPLATES AND PROCESS OF MAKING- THE SAME.
1,228,546. No Drawing. v
To all whom it may concern:
Be it known that I, LoUIs H. FnArIDERs, a citizen of the United States, residing at Jenln'ntown, in the county of Montgomery tion are, first, to provide a smooth paste free from lumps and one which is neutral or slightly alkaline and one that sets slowly and can be kept in plastic conditlon in large with that de masses for long periods; second, to provide a paste which may be satisfactorily ap lied to grids by means of machinery or mec ani cal pasters; and third, to provide a paste from which plates of uniform and pre-determined porosity or specific density can be made, and this even thoughthe paste is made from varying raw material and under varying conditions of weather.
The paste is made by mixin the oxid or oxids of lead, including so-cal ed finely divided lead, which as a matter of fact is always somewhat oxidized, which may have been previousl wet or dampened with water finite quantity of dilute sulfuric acid solution or other sulfating solution which is appropriate for producing in the paste the appropriate amount of sulfate for insuring the required porosity and thereafter and after the sulfate forming re action is completed, tempering the paste, if necessary, with additional water tothe required consistency for pasting. Inasmuch as the oxids are first mixed with water, a considerable quantity of strong sulfuric acid solution can be slowl added without producing a violent chemical re-action and with the formation of a smooth homogeneous paste containing a greater amount of sulfate than it would be possible to form if a weak solution of acid were used,.since in the latter case and in order to produce the desired quantity of sulfate it would be necessary to introduce so much water contained in the acid solution that the paste would be too fluid. On the other hand, if strong acid were added to dry oxids the re-action would -be so violent that the sulfates would not be uniformly distributed and even if the paste were afterward tempered with water it would be gritty and lumpy. By using a comparatively strong sulfuric acid solution Specification of Letters Patent.
Patented June 5, 1917.
or sulfuric acid solutions of different strengths, the amount of lead sulfate formed and hence the porosity of the finished plate can be varied within wide limits. The total amount of such solution will be comparatively ,small even where a comparatively large per centage of sulfate is desired. Upon completion of the sulfating re-action and after the desired quantity of sulfate has been formed the paste is ready for application to the grids. If the paste is too thick it can be tempered by the addition of sufiicient water for that purpose. It will thus be seen that there is in the paste combined lead sulfate which is a porosity giving agent in the proportion for giving the requlred porosity, and further that the paste is of the consistency required or can be made to have the desired plasticity by the addition of water. Inasmuch as the paste contains combined lead sulfate it is chemically nonsetting and almost neutral or slightly alkaline, and it is free from lumps and is smooth. It can therefore be advantageously used in connection with mechanical pasters. If allowed to dry the paste is chalky and of soft consistency and in that regard is as good as other known plates but no better. However, it is better and substantially diflerent in respect to other characteristics herein pointed out. However, the paste has the property that after application to grids and while wet, pickling or soaking in sulfating material, such as a weak solution of ammonium sulfate or sulfuric acid, produces a further re-action with the surplus lead oxid which results in causing the paste to set in a hard homogeneous structure. When plates pasted with this paste are formed, they will uniformly have the desired porosity which is controlled by the quantity of combined 'sulfates originally present in the paste.
What I claim is:
1. The method of making storage battery paste of any desired lead content per unit of volume from varying oxids of lead, which consists in mixing the lead oxid with sufli- 2. A non-setting storage batter paste of i In testimony whereof I have hereunto dough-like or pasty consistency avmg its signed my name. lead content .per unit of volume fixed by the uantitative relation of contained lead sul- 5 ate and other lead content a portion of Witnesses:
which is adapted to re-act with sulfating W. W. MoMAHoN,v
material to chemically set the paste. ALBERT N. DINGEE.
' L. H. FLANDERS.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US79611413A US1228546A (en) | 1913-10-20 | 1913-10-20 | Paste for storage-battery plates and process of making the same. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US79611413A US1228546A (en) | 1913-10-20 | 1913-10-20 | Paste for storage-battery plates and process of making the same. |
Publications (1)
Publication Number | Publication Date |
---|---|
US1228546A true US1228546A (en) | 1917-06-05 |
Family
ID=3296393
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US79611413A Expired - Lifetime US1228546A (en) | 1913-10-20 | 1913-10-20 | Paste for storage-battery plates and process of making the same. |
Country Status (1)
Country | Link |
---|---|
US (1) | US1228546A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4909955A (en) * | 1988-11-04 | 1990-03-20 | Electrosource, Inc. | Lead-oxide paste mix for battery grids and method of preparation |
-
1913
- 1913-10-20 US US79611413A patent/US1228546A/en not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4909955A (en) * | 1988-11-04 | 1990-03-20 | Electrosource, Inc. | Lead-oxide paste mix for battery grids and method of preparation |
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